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Cheap flights from Washington, D.C. to Knock from €691

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Washington, D.C. to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:00 - 15:35NOC-IAD
31h 35m1 stop
€691British Airways
Find Deal
Fri, 5 Dec - Tue, 9 Dec
British Airways Logo
14:16 - 12:25IAD-NOC
17h 09m2 stops
British Airways Logo
13:00 - 15:35NOC-IAD
31h 35m1 stop
€695British Airways
Find Deal
Fri, 5 Dec - Tue, 9 Dec
British Airways Logo
14:16 - 12:25IAD-NOC
17h 09m2 stops
British Airways Logo
13:00 - 23:08NOC-IAD
39h 08m2 stops
€704British Airways
Find Deal
Fri, 5 Dec - Tue, 9 Dec
British Airways Logo
19:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:05 - 20:20NOC-IAD
12h 15m1 stop
€775British Airways
Find Deal
Wed, 25 Mar - Sun, 29 Mar
British Airways Logo
19:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:05 - 23:54NOC-IAD
39h 49m2 stops
€784British Airways
Find Deal
Wed, 25 Mar - Sun, 29 Mar
British Airways Logo
14:01 - 12:25IAD-NOC
42h 24m2 stops
British Airways Logo
13:05 - 23:54NOC-IAD
39h 49m2 stops
€829British Airways
Find Deal
Wed, 25 Mar - Sun, 29 Mar
British Airways Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:00 - 21:50NOC-IAD
37h 50m2 stops
€1,167British Airways
Find Deal
Sun, 28 Dec - Tue, 30 Dec
British Airways Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:00 - 21:50NOC-IAD
37h 50m2 stops
€1,211British Airways
Find Deal
Sat, 27 Dec - Tue, 30 Dec
British Airways Logo
16:29 - 12:25IAD-NOC
14h 56m2 stops
British Airways Logo
13:00 - 21:50NOC-IAD
37h 50m2 stops
€1,226British Airways
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Sun, 28 Dec - Tue, 30 Dec
Multiple Airlines Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
Multiple Airlines Logo
13:00 - 19:55NOC-IAD
11h 55m1 stop
€1,460Multiple Airlines
Find Deal
Sun, 28 Dec - Thu, 1 Jan

British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
5 Dec
IAD18:20Washington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25Knock Intl
9 Dec
NOC13:00Knock Intl
31h 35m
1 stop
IAD15:35Washington, D.C. Dulles Intl
€691
Find similar
British Airways
5 Dec
IAD14:16Washington, D.C. Dulles Intl
17h 09m
2 stops
NOC12:25Knock Intl
9 Dec
NOC13:00Knock Intl
31h 35m
1 stop
IAD15:35Washington, D.C. Dulles Intl
€695
Find similar
British Airways
5 Dec
IAD14:16Washington, D.C. Dulles Intl
17h 09m
2 stops
NOC12:25Knock Intl
9 Dec
NOC13:00Knock Intl
39h 08m
2 stops
IAD23:08Washington, D.C. Dulles Intl
€704
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 16 November 2025.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 5/12

18:20-12:25

1 stop13h 05m

Knock Intl

Tue 9/12

13:00-15:35

1 stop31h 35m

€691

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 5/12

14:16-12:25

2 stops17h 09m

Knock Intl

Tue 9/12

13:00-15:35

1 stop31h 35m

€695

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 5/12

14:16-12:25

2 stops17h 09m

Knock Intl

Tue 9/12

13:00-23:08

2 stops39h 08m

€704

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 25/3

19:20-12:25

1 stop13h 05m

Knock Intl

Sun 29/3

13:05-20:20

1 stop12h 15m

€775

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 25/3

19:20-12:25

1 stop13h 05m

Knock Intl

Sun 29/3

13:05-23:54

2 stops39h 49m

€784

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 25/3

14:01-12:25

2 stops42h 24m

Knock Intl

Sun 29/3

13:05-23:54

2 stops39h 49m

€829

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 28/12

18:20-12:25

1 stop13h 05m

Knock Intl

Tue 30/12

13:00-21:50

2 stops37h 50m

€1,167

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 27/12

18:20-12:25

1 stop13h 05m

Knock Intl

Tue 30/12

13:00-21:50

2 stops37h 50m

€1,210

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 28/12

16:29-12:25

2 stops14h 56m

Knock Intl

Tue 30/12

13:00-21:50

2 stops37h 50m

€1,226

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 28/12

18:20-12:25

1 stop13h 05m

Knock Intl

Thu 1/1

13:00-19:55

1 stop11h 55m

€1,460

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 10h 52m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 13h 40m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Direct flights

None
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
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  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 13h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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